LEGO Hero Factory: Keeping the galaxy free from pests and villains! New and exciting LEGO adventures for beginner readers. With this exciting Level 3 reader, LEGO Hero Factory: Heroes in Action, children learn the stories behind the heroes and behind the most notoriously nasty LEGO Hero Factoryvillains there are! With eye-catching photography and complex sentence structure, this reader is sure to capture the interest of little heroes everywhere. LEGO, the LEGO logo, the Brick configuration and the Minifigure are trademarks of the LEGO Group. 2012 The LEGO Group. Produced by DK Publishing under license from the LEGO Group.